<template>
  <div>
    <h1 class="h">头部:{{str}}</h1>
  </div>
</template>

<script>
export default {
    name:"head-vue",
    data(){
        return {
            str:"hello"
        }
    }
}
</script>

<style>
    .h{
        background-color: skyblue;
    }

</style>